Inverted microscope

Abstract

An inverted microscope has a microscope base, a stage, an observation optical system, a stage support structure which is arranged on the microscope base and supports the stage, and a switching structure having a plurality of objective lenses and capable of inserting one of the objective lenses into an optical path of the observation optical system selectively. A support structure is fixed to a lower surface of the stage and supports the switching structure for movement in an optical axis direction of the objective lens inserted in the optical path of the observation optical system.

What is claimed is:  
     
       1. An inverted microscope comprising: 
       a microscope base;  
       a stage;  
       an observation optical system;  
       a stage support structure supporting said stage with respect to said microscope base;  
       a switching structure having a plurality of objective lenses and capable of inserting one of the objective lenses into an optical path of the observation optical system selectively; and  
       a support structure, one end of which is fixed to a lower surface of said stage, and which supports said switching structure at another end thereof to be movable in an optical axis direction of said one of the objective lenses.  
     
     
       2. An inverted microscope comprising: 
       a microscope base;  
       a stage;  
       an observation optical system;  
       a stage support structure supporting said stage with respect to said microscope base;  
       a switching structure having a plurality of objective lenses and capable of inserting one of the objective lenses into an optical path of the observation optical system selectively; and  
       a support structure which is fixed to a lower surface of said stage, and which supports said switching structure for movement in an optical axis direction of said one of the objective lenses.